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51052528 = 2429472341
BaseRepresentation
bin1100001010111…
…1111111110000
310120001201220101
43002233333300
5101032140103
65022122144
71156640122
oct302577760
9116051811
1051052528
11268aa57a
1215120354
13a7664c7
146acd212
154736a1d
hex30afff0

51052528 has 40 divisors (see below), whose sum is σ = 104546880. Its totient is φ = 24111360.

The previous prime is 51052517. The next prime is 51052531. The reversal of 51052528 is 82525015.

It is a junction number, because it is equal to n+sod(n) for n = 51052496 and 51052505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20638 + ... + 22978.

It is an arithmetic number, because the mean of its divisors is an integer number (2613672).

Almost surely, 251052528 is an apocalyptic number.

51052528 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51052528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52273440).

51052528 is an abundant number, since it is smaller than the sum of its proper divisors (53494352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51052528 is a wasteful number, since it uses less digits than its factorization.

51052528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2425 (or 2419 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 51052528 is about 7145.1051776723. The cubic root of 51052528 is about 370.9702511486.

The spelling of 51052528 in words is "fifty-one million, fifty-two thousand, five hundred twenty-eight".

Divisors: 1 2 4 8 16 29 47 58 94 116 188 232 376 464 752 1363 2341 2726 4682 5452 9364 10904 18728 21808 37456 67889 110027 135778 220054 271556 440108 543112 880216 1086224 1760432 3190783 6381566 12763132 25526264 51052528